Home / 936,793.89-1,292,770.43-528,891.96

Finding the Fourth Proportional to 936,793.89, 1,292,770.43 and 528,891.96

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Solution

The fourth proportional to 936,793.89, 1,292,770.43 and 528,891.96 is: 729,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,793.89 : 1,292,770.43 = 528,891.96 : x
  2. Step 2: Convert to fraction form
    936,793.89/1,292,770.43 = 528,891.96/x
  3. Step 3: Cross multiply
    936,793.89x = 1,292,770.43 × 528,891.96
  4. Step 4: Simplify right side
    936,793.89x = 683,735,890,739.52
  5. Step 5: Solve for x
    x = 683,735,890,739.52/936,793.89
  6. Step 6: Final answer
    x = 729,868.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.